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  2. Cell notation - Wikipedia

    en.wikipedia.org/wiki/Cell_notation

    In electrochemistry, cell notation or cell representation is a shorthand method of expressing a reaction in an electrochemical cell.. In cell notation, the two half-cells are described by writing the formula of each individual chemical species involved in the redox reaction across the cell, with all other common ions and inert substances being ignored.

  3. Electrosynthesis - Wikipedia

    en.wikipedia.org/wiki/Electrosynthesis

    The purpose of the divided cell is to permit the diffusion of ions while restricting the flow of the products and reactants. This separation simplifies workup. An example of a reaction requiring a divided cell is the reduction of nitrobenzene to phenylhydroxylamine, where the latter chemical is susceptible to oxidation at the anode.

  4. Electrochemistry - Wikipedia

    en.wikipedia.org/wiki/Electrochemistry

    An example is an electrochemical cell, where two copper electrodes are submerged in two copper(II) sulfate solutions, whose concentrations are 0.05 M and 2.0 M, connected through a salt bridge. This type of cell will generate a potential that can be predicted by the Nernst equation.

  5. Liquid junction potential - Wikipedia

    en.wikipedia.org/wiki/Liquid_junction_potential

    Liquid junction potential (shortly LJP) occurs when two solutions of electrolytes of different concentrations are in contact with each other. The more concentrated solution will have a tendency to diffuse into the comparatively less concentrated one.

  6. Standard electrode potential - Wikipedia

    en.wikipedia.org/wiki/Standard_electrode_potential

    Bipolar electrochemistry scheme. In electrochemistry, standard electrode potential, or , is a measure of the reducing power of any element or compound.The IUPAC "Gold Book" defines it as; "the value of the standard emf (electromotive force) of a cell in which molecular hydrogen under standard pressure is oxidized to solvated protons at the left-hand electrode".

  7. Electrochemical reaction mechanism - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_reaction...

    The electrochemical mechanisms of electrocatalytic processes are a common research subject for various fields of chemistry and associated sciences. This is important to the development of water oxidation and fuel cells catalysts. For example, half the water oxidation reaction is the reduction of protons to hydrogen, the subsequent half reaction.

  8. Overpotential - Wikipedia

    en.wikipedia.org/wiki/Overpotential

    In electrochemistry, overpotential is the potential difference between a half-reaction's thermodynamically determined reduction potential and the potential at which the redox event is experimentally observed. [1] The term is directly related to a cell's voltage efficiency.

  9. Electrochemical cell - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_cell

    Important examples of electrolysis are the decomposition of water into hydrogen and oxygen, and of bauxite into aluminium and other chemicals. Electroplating (e.g. of Copper, Silver, Nickel or Chromium) is done using an electrolytic cell. Electrolysis is a technique that uses a direct electric current (DC). The components of an electrolytic ...

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